debugging

问题 How do you use the reverse() from django.core.urlresolvers.reverse at the command line? I want to debug what is going wrong in my Django application. I am not sure if it is happening at the views , the urls or the html template page. I have the command line open in the directory of the project, but it doesn't recognize my commands (which I am borrowing from the Django-Project page). 回答1: If your urls.py file consists on something like this: urlpatterns = patterns('', url(r'^$', 'views.recent'

问题 Using Scala plugin for Eclipse version 2.1 milestone 2, in Eclipse Indigo, if I set a breakpoint on a line that contains an anonymous function, e.g. myList.map((x: String) => foo(bar(x))) "the" breakpoint will be hit not only when map is called, but also when the anonymous function is called (it's actually multiple breakpoints, but frustratingly, they only show up as one breakpoint in the breakpoint tab in Eclipse). I think this is a regression, because I seem to remember you used to get

问题 I know that I can use WinDbg+PageHeap+ApplicationVerifier - Microsoft tools. I read there are many tools available for C++ and wonder if there is something similar exists for C#? 回答1: These are the kind of tools you use to troubleshoot mis-behaving native code. Access violations, heap corruption, resource leaks, that sort of thing. That just doesn't happen in pure managed code by virtue of the concept of safe code and the garbage collector. If you have a dependency on native code in your

问题 I know that I can use WinDbg+PageHeap+ApplicationVerifier - Microsoft tools. I read there are many tools available for C++ and wonder if there is something similar exists for C#? 回答1: These are the kind of tools you use to troubleshoot mis-behaving native code. Access violations, heap corruption, resource leaks, that sort of thing. That just doesn't happen in pure managed code by virtue of the concept of safe code and the garbage collector. If you have a dependency on native code in your

问题 I'm writing ADO.NET provider. For debugging I use class DbProviderFactories.GetFactory method. This method constructs my inherited DbProviderFactory class that i use for create DbConnection inheritor of my provider and etc.. When I try set breakpoint in my provider code I sow it isn't work - execution doesn't stopped. When I throw exception in my code VS2008 showed message box describing "The source file is different...". Debugging works good before day before tomorrow, but it isn't now. Does

问题 I'm trying to run the unit tests in the tess4j distribution currently. And while running one of the unit tests, java crashed with the following error: TessBaseAPIGetIterator # # A fatal error has been detected by the Java Runtime Environment: # # EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x6718f834, pid=5612, tid=3592 # # JRE version: 7.0_17-b02 # Java VM: Java HotSpot(TM) Client VM (23.7-b01 mixed mode, sharing windows-x86 ) # Problematic frame: # C [libtesseract302.dll+0xf834] tesseract

问题 Sub FindData() Dim accountNumber As Range Set accountNumber = Range(Range("A2"), Range("A2").End(xlDown)) Dim dataSet As QueryTable For Each Value In accountNumber Set dataSet = .QueryTables.Add( _ Connection:="URL;http://www.prad.org/CamaDisplay.aspx?OutputMode=Display&SearchType=RealEstate&ParcelID=" & Value, _ Destination:=ThisWorkbook.Worksheets(2).Range("A1")) Next Value With dataSet .RefreshOnFileOpen = False .WebFormatting = xlWebFormattingNone .BackgroundQuery = True .WebSelectionType

问题 I have a wireshark plugin built successfully with wireshark 1.10.3 APIs. I have then installed wireshark 1.10.3 on ubuntu 13.04 using apt-get. I have generated a .so file for my plugin and copied it into the correct directory. While trying to load the wireshark I get an undefined sylmbol error. If I change the API I get a build error. I am quite sure that I am using the right API. How do I debug this problem? Can GDB help me in any way? Thanks 来源： https://stackoverflow.com/questions/20323798

问题 I create an application on which I want to implement Push Notifications. Thanks to many tutorials I've create the server part and the client part. On the server part, I send a POST request with cURL (in PHP). The server responds: {"multicast_id":5560733296047502303,"success":1,"failure":0,"canonical_ids":0,"results":[{"message_id":"0:1408610711700937%6f027011f9fd7ecd"}]} But I don't receive the notification on my phone. In the application I have a service: Manifest.xml <service android:name="

问题 I migrated an asp.net core 2.2 app to 3.0 today, took a bit but everything recompiles and the front (default) works fine, but i can't access the back (separate area). I have my endpoints specified as such (more specific first as the migration documentation recommends) : app.UseEndpoints(endpoints => endpoints.MapAreaControllerRoute("areas", "areas", "{area:exists}/{controller=Home}/{action=Index}/{id?}"); endpoints.MapControllerRoute("default","{controller=Home}/{action=Index}/{id?}"); });